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Mathematics
Mathematics
Problem
3. If the origin is the centroid of the triangle PQR with vertices
P
(
2
a
,
2
,
6
)
\mathrm{P}(2 a, 2,6)
P
(
2
a
,
2
,
6
)
,
Q
(
−
4
,
3
b
,
−
10
)
\mathrm{Q}(-4,3 b,-10)
Q
(
−
4
,
3
b
,
−
10
)
and
R
(
8
,
14
,
2
c
)
\mathrm{R}(8,14,2 c)
R
(
8
,
14
,
2
c
)
, then find the values of
a
,
b
a, b
a
,
b
and
c
c
c
.
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